zapisz w postaci sumy algebraicznej (pierwiastek z 2 x+y) do potęgi 2
(x - pierwiastek z 3 y) do potegi 3
(√2x + y)² = (√2x)² + 2*√2x*y + y² = 2x² + 2√2xy + y²
(x - √3y)³ = x ³ - 3*x²*√3y + 3*x*(√3y)² - (√3y)³ = x³ - 3√3x²y +9xy² - 3√3y³
(a+b)² =a² + 2ab + b²
(a-b)³ = a³ - 3a²b + 3ab² + b³
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(√2x + y)² = (√2x)² + 2*√2x*y + y² = 2x² + 2√2xy + y²
(x - √3y)³ = x ³ - 3*x²*√3y + 3*x*(√3y)² - (√3y)³ = x³ - 3√3x²y +9xy² - 3√3y³
(a+b)² =a² + 2ab + b²
(a-b)³ = a³ - 3a²b + 3ab² + b³